381636058187 has 2 divisors, whose sum is σ = 381636058188. Its totient is φ = 381636058186.

The previous prime is 381636058163. The next prime is 381636058207. The reversal of 381636058187 is 781850636183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381636058187 - 2¹⁰ = 381636057163 is a prime.

It is a super-2 number, since 2×381636058187² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381636058087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190818029093 + 190818029094.

It is an arithmetic number, because the mean of its divisors is an integer number (190818029094).

Almost surely, 2^381636058187 is an apocalyptic number.

381636058187 is a deficient number, since it is larger than the sum of its proper divisors (1).

381636058187 is an equidigital number, since it uses as much as digits as its factorization.

381636058187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 381636058187 in words is "three hundred eighty-one billion, six hundred thirty-six million, fifty-eight thousand, one hundred eighty-seven".